[PATCH v4 2/3] drm: panel: simple-panel: add support for bus_format retrieval

[Boris Brezillon]

Provide a way to specify panel requirement in terms of supported media bus
format (particularly useful for panels connected to an RGB or LVDS bus).

Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 23de22f..66838a5 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -61,6 +61,8 @@ struct panel_desc {
 		unsigned int disable;
 		unsigned int unprepare;
 	} delay;
+
+	u32 bus_format;
 };
 
 struct panel_simple {
@@ -111,6 +113,9 @@ static int panel_simple_get_fixed_modes(struct panel_simple *panel)
 	connector->display_info.bpc = panel->desc->bpc;
 	connector->display_info.width_mm = panel->desc->size.width;
 	connector->display_info.height_mm = panel->desc->size.height;
+	if (panel->desc->bus_format)
+		drm_display_info_set_bus_formats(&connector->display_info,
+						 &panel->desc->bus_format, 1);
 
 	return num;
 }
-- 
1.9.1